What is 8 divided by 10 and two thirds

If kn = 9 cm, mn = 21 cm, rs = 42 cm, and ps = 18 cm, what is the scale factor of figure klmn to figure pqrs?

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?